Awokuse, Titus O.; Bernard, John C. - In: Journal of Agricultural and Applied Economics 39 (2007) 03
(LOP) across regions. This article investigates this using data on four regional markets. Cointegration results indicate … that regional prices are spatially linked in the long run, but pairwise cointegration was not found, suggesting that the … LOP does not hold. Causality tests confirm the relative importance of price shocks from the South. This finding is …